In applyLoadPlan
- Refactored newFocusedTaskView to be based on first non-Desktop TaskView
- Set newFocusedTaskView to null when enableGridOnlyOverview() is on
- Updated target page calcuation to be based on the following priority: running task, focused task, first non-desktop task, last desktop task
Flag: EXEMPT as no functionality changes
Bug: 379942019
Test: Ensure targetPage in applyLoadPlan is correct in the following scenarios:
1. Only have desktop task
2. Desktop task and a few full screen tasks
3. Swipe up from desktop, 1st fullscreen task, and 2nd fullscreen task
4. Repeat with enableGridOnlyOverview() on, which does not have focused task
Change-Id: Iea519ad4a37c15f76557487078ac4dcf4d53480c
minch
1bf7678154